LABAlien Evolution Lab
Species that share a recent common ancestor also share inherited traits, so biologists can reconstruct…
Topic
Evolution explains the diversity of life through the mechanisms of natural selection, genetic drift, gene flow, and mutation. Over time, these processes lead to adaptations, speciation, and the remarkable variety of organisms that inhabit Earth.
10 interactives
LABSpecies that share a recent common ancestor also share inherited traits, so biologists can reconstruct…
A song about convergent evolution, and why a shared shape is not evidence of shared ancestry.
LABWhen a pesticide kills most of a population, the few individuals carrying a resistance allele survive…
3DA 3D tour up the tree of life, from the last universal common ancestor to the bacteria, archaea and…
QUIZMitochondria and chloroplasts were once free living bacteria that were swallowed by an ancestral cell…
LABWhen a few individuals start a new population, they carry only a small sample of the original gene pool,…
QUIZNatural selection acts when some individuals survive and reproduce better than others because of the…
LABA new species forms when two populations stop interbreeding and their gene pools drift apart. The…
GAMEA top-down game played in a cell drawn as a town, from splitting one sugar to living on sugar made from…
SIMViruses copy their genetic material imperfectly, so each round of replication can throw up variants with…